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2. In an electrically heated home, the temperature of the ground in con tact with a concrete basement wall is 12.8 ℃. The tem
inside surface of the wall is 20.0 °C. The wall is 0.10 m thick and has a area of 9.0 m2. Assume that one kilowatt hour of el
2. In an electrically heated home, the temperature of the ground in con tact with a concrete basement wall is 12.8 ℃. The temperature at the
inside surface of the wall is 20.0 °C. The wall is 0.10 m thick and has a area of 9.0 m2. Assume that one kilowatt hour of electrical energy costs 0.10. How many hours are required for one dollar's worth of energy to be conducted through the wall?
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2. In an electrically heated home, the temperature of the ground in con tact with a concrete basement wall is 12.8 ℃. The temperature at the inside surface of the wall is 20.0 °C. The wall is 0....
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